They literally start as married couple but actually don't know anything about each other. So we observe their relationship from scratch.

Additinaly it's a first romantic encounter for both of them. They discover what it means to be in a relationship with someone.

The amount of sweetness grows with each episode, and literally explodes in 12th, so give it a watch.

P.S
S2 incoming in spring ❤️‍🔥
P.S.S
Remember about OVA's